In this paper we discuss results of MgB2 thin films deposition for the hot-electron bolometer (HEB) application. For this purpose a custom made hybrid physical-chemical vapour deposition (HPCVD) system was built. For films thicknesses d in the 15-45nm range the critical temperatures were from 34K to 40K. For bridges as narrow as 500nm the critical current density was >107A/cm2 indicating a high film quality. The intermediate frequency (IF) gain bandwidth (GBW) was measured at 0.4THz at various temperatures and bias points. The GBW follows the 1/d trend and is at least 6GHz for the 15nm thick sample.

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BibTeX @conference{Novoselov2016,author={Novoselov, Evgenii and Zhang, Naichuan M. and Cherednichenko, Sergey},title={MgB2 HEB Mixers at Operation Temperatures above Liquid Helium Temperature},booktitle={27th International Symposium on Space Terahertz Technology April 12-15, 2016, Nanjing, China},abstract={In this paper we discuss results of MgB2 thin films deposition for the hot-electron bolometer (HEB) application. For this purpose a custom made hybrid physical-chemical vapour deposition (HPCVD) system was built. For films thicknesses d in the 15-45nm range the critical temperatures were from 34K to 40K. For bridges as narrow as 500nm the critical current density was >107A/cm2 indicating a high film quality. The intermediate frequency (IF) gain bandwidth (GBW) was measured at 0.4THz at various temperatures and bias points. The GBW follows the 1/d trend and is at least 6GHz for the 15nm thick sample.},year={2016},keywords={MgB2, hot-electron bolometer, terahertz, HPCVD, superconductivity},}

RefWorks RT Conference ProceedingsSR ElectronicID 246747A1 Novoselov, EvgeniiA1 Zhang, Naichuan M.A1 Cherednichenko, SergeyT1 MgB2 HEB Mixers at Operation Temperatures above Liquid Helium TemperatureYR 2016T2 27th International Symposium on Space Terahertz Technology April 12-15, 2016, Nanjing, ChinaAB In this paper we discuss results of MgB2 thin films deposition for the hot-electron bolometer (HEB) application. For this purpose a custom made hybrid physical-chemical vapour deposition (HPCVD) system was built. For films thicknesses d in the 15-45nm range the critical temperatures were from 34K to 40K. For bridges as narrow as 500nm the critical current density was >107A/cm2 indicating a high film quality. The intermediate frequency (IF) gain bandwidth (GBW) was measured at 0.4THz at various temperatures and bias points. The GBW follows the 1/d trend and is at least 6GHz for the 15nm thick sample.LA engLK https://www.nrao.edu/meetings/isstt/2016.shtmlLK http://publications.lib.chalmers.se/records/fulltext/246747/local_246747.pdfOL 30